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One other ? I am getting a slight amount of vaccuum to the actuator. Would this indicate a definite leak in the line somewhere? If the sensor was bad would it give any vacuum at all?

So is the can with diagphram the solenoid? I have very little vacuum getting to the actuator 5". So does this bring it down to the sensor, pump, or a leaking line. I did an inspection earlier and couldnt find any leaks in the line

Is there a way to diagnos which one has gone bad? sensor or solenoid? I would really like to keep my vacuum setup and my pump was replaced 40k ago. I may just go for a turbomaster. Do I need to delete the pump in order to run the turbomaster? As of now I dont have enough $ to put a new belt on...

Is this the boost sensor and solenoid the same thing?

Well I bought a boost gauge today. I will install tomorrow and see what the boost symptoms are

So I put a vaccuum gauge on the line leading to the wastegate actuator. It was pulling about 5" of vaccuum. I feel like it should be a good bit more than that. I couldnt find any leaks in the vac line. Does this tell me my pump is going bad? The truck seems to build boost until about half...

Did the truck smoke badly without a tune? Mine barely puffed then cleaned up until I installed the new ecm. I know jorge6.5 your right. Im playing with fire literally. Ive just been going easy on it till I can get EGT and boost gauges.

Hmm.. I am thinking you are on to something here. If I stomp this thing it starts smoking and never clears up to redline. It starts lightly smoking at half throttle even. There is also no way Im getting anywhere near 200hp to the ground. My boost is still controlled via the vaccuum system. I...

Was it a significant difference over the tune vs stock? Because the tune made such a small difference I dont know If I would spend another $700 to make it a smidgeon faster haha

Arent there cheaper alternatives to the att? I was looking at the hx40II with brutus's downpipe adaptor. Looks promising. I just need to get more umph out of this beast

will this kit only work with the hx40II? I saw a really good deal on a H1c on craigslist

I received my Kojo tune yesterday and installed it. The truck runs much "smoother" and the tranny works much more efficiently. But I am not very impressed at the power increase even tho it starts rolling coal at half throttle. It is slightly quicker but I must say the best thing about the tune...

thanks

I finally received my upgraded ecm from Walking J designs. This my sound like a dumb ? to most of you but where is my ecm located and what do I have to do to install the new one? I have searched and cant find anything on the topic.

This would be for the inside of the chassis to keep it rusting from the inside out so smell wouldnt be an issue. I wont be able to get in there to clean the metal before applying something like a coating to it. So I figure oil is the only way to go but I will need to blend out viscosity with...

I was thinking of rust proofing my gmt400 by pulling out the vent plugs under the doors and spraying in a 50/50mix of diesel/oil in there with a garden sprayer. I have also heard that diesel fuel can be corrosive. Does anyone have experience with this? Let me know your opinion. Thanks in advance...

Im pretty sure the wastegate controls how much boost your getting and when. The wastegate in obd2 is electronically controlled.

Where were you able to find the leafs? Scrap yard?

http://store.heathdiesel.com/index.php?main_page=product_info&cPath=4&products_id=1178

I would like to bring the front of my truck up an inch or two. I understand that I will have to have it realigned after cranking it. But other than that, what problems am I going to run into? I know at least a few of you have tried this. Ideally I would like to get 2 inches out of it.